How do I add a sub cata to nexomon extinction

Hi Im Elitepeanut137 and i am wanting to speed run nexomon extinction but there isnt a catagory for the custom games they have on there game would it be possible for a mod to contact me so that we can sort this out as i would like to do a randomised speed run

Hi im new to speed runs but on nexomon extinction theres a randomised setting in the custom could some on add that